1391390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 3386880

約数和(自身を除く): 1995490

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 139, 143, 154, 182, 278, 286, 385, 455, 695, 715, 770, 910, 973, 1001, 1390, 1430, 1529, 1807, 1946, 2002, 3058, 3614, 4865, 5005, 7645, 9035, 9730, 10010, 10703, 12649, 15290, 18070, 19877, 21406, 25298, 39754, 53515, 63245, 99385, 107030, 126490, 139139, 198770, 278278, 695695, 1391390]

約数ペア:

[(1, 1391390), (2, 695695), (5, 278278), (7, 198770), (10, 139139), (11, 126490), (13, 107030), (14, 99385), (22, 63245), (26, 53515), (35, 39754), (55, 25298), (65, 21406), (70, 19877), (77, 18070), (91, 15290), (110, 12649), (130, 10703), (139, 10010), (143, 9730), (154, 9035), (182, 7645), (278, 5005), (286, 4865), (385, 3614), (455, 3058), (695, 2002), (715, 1946), (770, 1807), (910, 1529), (973, 1430), (1001, 1390)]